1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
In the following compounds, the decreasing order of basic strength will be :
2
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Among the following four aromatic compounds, which one will have the lowest melting point ?
A
B
C
D
3
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following compound,
the favourable site/s for protonation is/are :
the favourable site/s for protonation is/are :
4
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
The correct match between items I and II is :
| Item-I (Mixture) | Item-II (Seperation method) | ||
|---|---|---|---|
| (A) | H2O : Sugar | (P) | Sublimation |
| (B) | H2O : Aniline | (Q) | Recrystallization |
| (C) | H2O : Toluene |
(R) | Steam distillation |
| (S) | Differential extraction | ||
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